This paper presents a new version of Wheelchair. q, a wheelchair with stair climbing ability.
The wheelchair is able to climb single obstacles or staircases thanks to a hybrid wheel-leg …

This report describes an automatic control system that allows an assistive robot pushing a
wheelchair to climb steps. The robot is equipped with a wheeled mechanism and dual …

State-of-the-art technologies empower people with motor disabilities to carry out activities of
daily living, thus enabling a better quality of life. Personal mobility is crucial for the well …

In this article, a novel yet simple step climbing robot is proposed and is comprised of two
front wheels, a rear-wheel and an actuator to vary the center distance between the front and …

This paper describes the development of a novel multi-wheel stair-climbing wheelchair. The
necessity for mobility aid technology for elderly and handicapped people that has “minimal …

Abstract The Sit-to-Stand (STS) is an activity most people perform numerous times daily.
Standing up deals with the transition from two stabilized postures, namely seated to …

In this paper the design and operation for a 2-Degree-of-Freedom, leg–wheel hybrid mobile
robot are presented. A prototype of a low-cost and easy-to-use system, which is capable of …

In this paper, a family of mobile 4R linkages is proposed to complete the rolling gait. They
are derived from the general 4R four-bar linkage. The first subgroup of this family consists of …

This paper proposes a novel concept to obtain variable input speeds for a four-bar
mechanism driven by an AC motor. In such a system, a continuously variable transmission …

In this paper, the design, simulation and experimental tests are presented for THROO: a
Tracked Hybrid Rover, which has been developed to Overpass Obstacles. The proposed …